docs: def get_all_pipelines(app=''):
      """Get a list of all the Pipelines in _app_.
  
      Args:
          app (str): Name of Spinnaker Application.
  
      Returns:
          requests.models.Response: Response from Gate containing Pipelines.
  
      """
      url = '{host}/applications/{app}/pipelineConfigs'.format(host=API_URL, app=app)
      response = requests.get(url, verify=GATE_CA_BUNDLE, cert=GATE_CLIENT_CERT)
  
      assert response.ok, 'Could not retrieve Pipelines for {0}.'.format(app)
  
      pipelines = response.json()
      LOG.debug('Pipelines:\n%s', pipelines)
  
      return pipelines